Explanation

• MS Excel: Application software used for spreadsheets, calculations, and data analysis.
• Windows, Linux, DOS: Operating systems (system software).

Explanation

• Ctrl + S = To save a document.

Additional information:

• Ctrl + X → Cut (remove selected text)
• Ctrl + R → Align text to the right
• Ctrl + E → Center align text
• Ctrl + J → Justify paragraph
• Ctrl + L → Align text to the left
• Ctrl + Q → Remove paragraph formatting (reset to default left alignment)

Last verified on 10-06-2026

Explanation

• RAM stands for Random Access Memory.
• It is a type of fast, temporary computer memory.
• It is essentially short-term memory.
• It is the hardware in a computing device where the operating system (OS).

Last verified on 26-04-2026

Explanation

• In MS Word, the Help feature is used to get guidance about tools and commands.
• The shortcut key to open Help is F1.
• It opens Microsoft Word Help window or support page.

Additional information:

• F2: Used to move or rename text.
• F3: Inserts AutoText entries if available.
• F4: Repeats the last action performed.
• F5: Opens the "Find and Replace" dialog box with the "Go To" tab active.

Last verified on 29-05-2026

Explanation

1 byte equals 8 bits.

Additional Information

Last verified on 12-10-2026

Explanation

• HTTP stands for Hypertext Transfer Protocol.
• It is a protocol for fetching resources such as HTML documents.
• It provides secure communication over a computer network.
•  It can also be used to fetch parts of documents to update Web pages on demand.
• https://www.google.com is called the URL.

Last verified on 04-06-2026

Explanation

• Minimum font size: 8
• Maximum font size: 72

Additional information:

• Standard font size: 12
• Manual font size range: 1–1638
• Shortcut to change font size manually: Ctrl + Shift + P
• Increase font size: Ctrl + ]
• Decrease font size: Ctrl + [

Last verified on 17-01-2026

Explanation

• A computer program that translates one program instruction at a time into machine language is called an Interpreter.
• Interpreters are commonly associated with languages such as Python, JavaScript, and BASIC.

Additional information:

• Compiler: Translates the complete program before execution.
• Assembler: Converts assembly language into machine code.
• Machine Language: Uses binary instructions understood directly by the computer.

Last verified on 10-08-2026

Explanation

• The shortcut key to insert a new slide in a PowerPoint presentation is Ctrl + M.

Additional information:

• Ctrl + N shortcut key used to create a new presentation document.
• Ctrl + S shortcut key used to save a presentation.

Last verified on 29-05-2026

Explanation

• Cache Memory is the fastest memory.
• It is typically located inside or very close to the CPU.

Additional information:

• L1 Cache: Usually the fastest and smallest CPU cache.
• L2 Cache: Larger than L1 but generally slower.
• L3 Cache: Larger and usually shared among CPU cores.

Last verified on 09-08-2026